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REST API: Support ordering response collection by listed slugs.

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Adds an "include_slug" orderby value for REST API collections to permit returning a collection filtered by slugs in the same order in which those slugs are specified.
Previously, the order of slugs provided with the ?slug query parameter had no effect on the order of the returned records.

Props wonderboymusic, ocean90, boonebgorges.
Fixes #40826.



git-svn-id: https://develop.svn.wordpress.org/trunk@41760 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
K. Adam White
2017-10-05 00:36:43 +00:00
parent 75ce48ef70
commit 8cda3a2f55
9 changed files with 98 additions and 4 deletions
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7
src/wp-includes/class-wp-term-query.php
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@@ -87,6 +87,7 @@ class WP_Term_Query {
* @since 4.6.0
* @since 4.6.0 Introduced 'term_taxonomy_id' parameter.
* @since 4.7.0 Introduced 'object_ids' parameter.
* @since 4.9.0 Added 'slug__in' support for 'orderby'.
*
* @param string|array $query {
* Optional. Array or query string of term query parameters. Default empty.
@@ -98,7 +99,8 @@ class WP_Term_Query {
* @type string $orderby Field(s) to order terms by. Accepts term fields ('name',
* 'slug', 'term_group', 'term_id', 'id', 'description', 'parent'),
* 'count' for term taxonomy count, 'include' to match the
* 'order' of the $include param, 'meta_value', 'meta_value_num',
* 'order' of the $include param, 'slug__in' to match the
* 'order' of the $slug param, 'meta_value', 'meta_value_num',
* the value of `$meta_key`, the array keys of `$meta_query`, or
* 'none' to omit the ORDER BY clause. Defaults to 'name'.
* @type string $order Whether to order terms in ascending or descending order.
@@ -841,6 +843,9 @@ class WP_Term_Query {
} elseif ( 'include' == $_orderby && ! empty( $this->query_vars['include'] ) ) {
$include = implode( ',', wp_parse_id_list( $this->query_vars['include'] ) );
$orderby = "FIELD( t.term_id, $include )";
} elseif ( 'slug__in' == $_orderby && ! empty( $this->query_vars['slug'] ) && is_array( $this->query_vars['slug'] ) ) {
$slugs = implode( "', '", array_map( 'sanitize_title_for_query', $this->query_vars['slug__in'] ) );
$orderby = "FIELD( t.slug, '" . $slugs . "')";
} elseif ( 'none' == $_orderby ) {
$orderby = '';
} elseif ( empty( $_orderby ) || 'id' == $_orderby || 'term_id' === $_orderby ) {